Walking frame



FIG. 1 is a top front perspective view of a walking frame;

FIG. 2 is a bottom rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the walking frame, which form no part of the claimed design. 

CLAIM We claim the ornamental design for a walking frame, as shown and described. 